Intel Xeon W 2140B 's Advantages
Higher base frequency (3.2GHz vs 1.8GHz)
Lower TDP (120W vs 125W)
Intel Xeon Bronze 3408U 's Advantages
Released 5 years and 1 months late
Higher specification of memory (4000 vs 2666)
Newer PCIe version (5 vs 3)
Larger L3 cache size (22.5MB vs 11MB)
More modern manufacturing process (10nm vs 14nm)